Cooler.



R. BURNS.

COOLER.

(Application filed Aug. 28, 1900.)

No. 673,758. Patented May 7, l90l.

3 Sheets-Sheet I.

(No Model.)

WITNESSES: INVENTOR floberlflurlw. ?f

ATTORNEYS 1m: scams PETERS co. PHOTO-H1110" wumuumu, 0. cv

Patented May 7, l90l. R. BURNS.

COOLER.

(Application filed Aug. 28, 1900.)

3 Sheets-Shoat 2.

(No Model.)

N IIIOIOI IIIIIIWQHO l l O'DIO I I l l 0 I I O 0 I I O 0.0 "9.0000 dla'a M0H0 0 0MI 0 0 0N0M0M0M0 .0 0 0Nl 0 0 0 0 0 0 0 0 0 0 0 0 0 O'UQOUOIODD 00000000 0000000 000000000000 00000000 00000000 000|dl000000. r00000n0 0000000 000000000000l0 .0000000 000000000 0 0000000000 1000 000 00090000 000009000 0O0 0 099000 00 000000000 D0000 00 0000 0.|::| 0000660 9000 006 00 00 0.0 000000. 0000 0000000000 0 0 000000000 GGGOOOQ 5000 006 000 00990000000000 m 0. 0 00 0. o 0 0 0 900 I, G 0 O 000 o e0 ee e0oooe 00000 000000 0090000 000000 OOOOOOOOOOOOOGOG GQOOOOOOOQ OOOGQ 0000000000000 Q o 00006000906 000000 0000 o 600 ooooaaeoooee 0000000000 0 eao 0000000009. 0000.000 000. 300000 0000900000 0 000 00 0 000. .0 000 0 0 0 0000 00 0 n b 0 0 0 0 0 00 0 0 0 0 0 0 q nu 0 0 .0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 m3 m E? R M W lie A|fl Z 0 B B m D M o m w m Wm E S S E N n W B. BURNS.

COOLER.

(Application filed-Aug. 2a 1900. (No Model.)

Jay .7.

Tu: noams PETERS 0o. morourno WASHINGTON. 0 c

Patented ma 7, IBM.

3 Sheets-Sheet 3.

INVENTOR:

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ATTORNEYS llNTTnn STATES PATENT UTFTQE.

ROBERT BURNS, OF NEW YORK, N. Y.

COOLER.

SPECIFICATION forming part Of Letters Patent NO. 673,758, dated May 7, 1901.

Application filed August 28, 1900. Serial N0- 28,33l. (N0 model.)

To all whom it nuty concern:

Be it known that I, ROBERT BURNS, a citizen of the United States, residing at Manhattan borough, in the city, county, and State of New York, have invented new and useful Improvements in Coolers, of which the follow ing is a specification.

By means of this invention rapid and uniform cooling can be effected of such material, for example, as roasted coffee-beans; and the invention resides in the novel features of construction set forth in the following specification and claims and illustrated in the annexed drawings, in Which- Figure 1 shows a front elevation of a cooler embodying this invention. Fig. 2 is a sectional side elevation of Fig. 1. Fig. 3 shows a modification in which the shell is stationary and the blades revolve.

In the drawings is shown a revolving shell a. This shell is shown perforated and these perforations may, if desired, vary in size for different coolers or according to the difierent material to be treated. For example, a cooler intended to receive such material as roasted peanuts need not have the perforations as small as required when treating coffee-beans. This variation, however, is arbitrary and if seen fit a manufacturer may adopt uniform perforations throughout. It may, however, be noted that the larger the perforations the freer the access or passage of air, and consequently the more rapid is the cooling.

\Vhat is popularly known as a suctionbox is shown at b and connects with the exhaust or fan at c by a suitable pipe 01. A damper 6 can be applied to regulate or shut off the exhaust or suction. The suction-box does not extend the entire length of the cylinder a, but is applied to an end portion or section of such cylinder or shell, and the blades f in the shell besides mixing the contents are also arranged for feeding the contents of such shell to that portion of the shell at which the exhaust is applied. Say the shell rotates in direction of the arrow shown in Fig. 1. Then the exhaust-box is applied to the shell to extend some distance from the bottom orlowest point or line of the shell upon the left-hand side of the spectator, looking at Fig. l-that is, on that side toward which the material is carried in consequence of such formed by a suitable hinged lid.

rotation. The air entering the shell and forcing its way through the contents or mass of material into or along the exhaust (1 will insure prompt and eflicient cooling. As the material is carried past the suction-box Z) the air entering the perforated shell will cause or allow the contents to be free to drop or separate from the shell on passing the exhaust. By this movement, as well as by bladesf, the contents are continually agitated or mixed, so that all parts of the contents are exposed to the air-blast or the cooling is uniform.

A flap or closure 9 is shown between the exhaust and the shell. This closure can be The rotation of the shell a tends to swing the closure 9 away from such shell, so that no binding or jamming occurs; but the vacuum or pressure holds the closure to the shell, so that air must pass through the shell to enter the suctionbox. At the opposite edge the box I) has another closure or flap h, which, however, does not swing directly against the shell, as with the direction of rotation shown this lid h might jam or bind if touching the shell.

An idler or roller 2' is interposed between the shell (1 and flap h, and as this idler rotates in the opposite direction to shell (1 it cannot bind or bend the lid h. This idler fitting to shell a and lid h fitting or being sucked to idler 11 no air can pass between the shell and this closure 1' h, but the air to enter the suction-box must pass through the shell and contents. A weight k or weighted lever suitably applied will hold the idler-roller 'i to the shell a. The shell is shown with a head Z, having a mouth m, and by making the head rotatable, so that the month m can be set above or below the axis of the shell, said mouth can serve as well for charging as for emptying the shell. Any suitable head or charge or discharge can, however, be employed. For ex- 5 ample, a suction-stoner as used in the art could be applied at month m to suck or discharge lighter contents, such as coifee, from the shell, while leaving heavier matter, such as stones and nails, behind in the shell, and which refuse matter can be emptied from the shell from time to time.

In place of having the shell revolve the shell might be stationary, and the blades r0- tating in the shell could be made to suitably feed or agitate the contents.

In Fig. 2 an end part of a suction-stoner tube 'n; is shown applied to month 'm; but if only cooling is to be effected this stoner n can be withdrawn or omitted.

The stationary shells with rotary blades are known in the trade, and an example of such construction is shown in Fig. 3, where the shell 0/ is stationary and the blades f are free from the shell, but secured to the shaft, which in this case rotates in the shell. An outlet 0, which can be closed by a slide or door 1), can serve for discharging or emptying the shell when such slide is open or pulled out.

What I claim as new, and desire to secure by Letters Patent, is

1. A cooler comprising a shell with an exhaust, and a closure located in suitable relation to said exhaust for preventing the passage of air to an exhaust-fan without going through the shell and formed by a roller or idler and a flap substantially as described.

2. A cooler comprising a shell with an exhaust, a closure located in suitable relation to said exhaust for preventing the passage of air to an exhaust-fan without going through the shell and formed by a roller or idler and a flap, and a weight for holding the roller to the shell substantially as described.

3. A cooler comprising a shell with an exhaust, and a head having a mouth, said head being rotatable to allow the mouth to be set for charge or discharge substantially as described.

4. A perforated shell having a suction-box in communication with an exhaust and further provided with blades and with a head having a mouth or outlet m and a suction applied at said mouth substantially as described.

5. A cooler comprising a shell, a suctionbox connected thereto, an exhaust in communication with said suction-box, means located in suitable relation to said suction-box for preventing the passage of air to an exhaust-fan without going through the shell, and a mouth located in suitable relation to said shell to permit of supplying thereto and discharging material therefrom.

6. A cooler comprising a perforated shell, blades mounted therein, a suction-box con nected to said shell, an exhaust in communication with said box, means located in suitable relation to said box for preventing the passage of air to an exhaust-fan without going through the shell, and a mouth located in suitable relation to said shell topermit of supplying thereto and discharging material therefrom.

7. A cooler comprising a shel1,bladesmounted therein, a rotatable mouth connected to said shell, a suction-box, an exhaust in communication therewith, and means located in suitable relation to said box for preventing the passage of air to an exhaust-fan without going through the shell.

In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

ROBERT BURNS.

Witnesses:

W. O. HAUFF, CHAS. E. POENSGEN. 

